Excessive Heat Warning — Buchanan, IA, Delaware, IA, Dubuque, IA, Benton, IA, Linn, IA, Jones, IA, Jackson, IA, Iowa, IA, Johnson, IA, Cedar, IA, Clinton, IA, Muscatine, IA, Scott, IA, Keokuk, IA, Washington, IA, Louisa, IA, Jefferson, IA, Henry, IA, Des Moines, IA, Van Buren, IA, Lee, IA, Whiteside, IL, Rock Island, IL, Henry, IL, Bureau, IL, Putnam, IL, Mercer, IL, Henderson, IL, Warren, IL, Hancock, IL, McDonough, IL, Scotland, MO, Clark, MO 9:00 PM Extreme Heat Watch 10:00 PM

Putnam County, Illinois, United States

Last updated: 7:44 AM CDT  ·  Refresh
23°C
Feels like 26°
Overcast
▲ 33°  /  ▼ 21°
Wind
5 mph SSE
Humidity
95%
Dew Point
22°
Pressure
29.24 inHg
Visibility
4 mi
UV Index
2.4
Cloud Cover
89%
Sunrise
5:47 AM
Sunset
8:19 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Putnam County is currently overcast at 23°C. Precipitation is likely — peak probability 51% around 2 AM. Atmospheric instability is elevated (CAPE up to 3828 J/kg) — isolated convective development possible. Sunrise: 5:47AM · Sunset: 8:19PM.

Alerts

Excessive Heat Warning
Buchanan, IA, Delaware, IA, Dubuque, IA, Benton, IA, Linn, IA, Jones, IA, Jackson, IA, Iowa, IA, Johnson, IA, Cedar, IA, Clinton, IA, Muscatine, IA, Scott, IA, Keokuk, IA, Washington, IA, Louisa, IA, Jefferson, IA, Henry, IA, Des Moines, IA, Van Buren, IA, Lee, IA, Whiteside, IL, Rock Island, IL, Henry, IL, Bureau, IL, Putnam, IL, Mercer, IL, Henderson, IL, Warren, IL, Hancock, IL, McDonough, IL, Scotland, MO, Clark, MO
Expires 9:00 PM
Extreme Heat Watch
Expires 10:00 PM
55 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
42%
8 AM
24°
36%
9 AM
26°
31%
10 AM
26°
30%
11 AM
27°
19%
12 PM
29°
20%
1 PM
30°
19%
2 PM
31°
19%
3 PM
32°
8%
4 PM
32°
16%
5 PM
33°
16%
6 PM
33°
17%
7 PM
32°
22%
8 PM
31°
31%
9 PM
28°
32%
10 PM
28°
41%
11 PM
27°
44%
12 AM
27°
49%
1 AM
26°
50%
2 AM
25°
50%
3 AM
24°
48%
4 AM
24°
39%
5 AM
23°
39%
6 AM
23°
39%
7-Day Forecast
Today
33° 21°
Mostly Cloudy with a 42% chance of rain.
Mon
34° 23°
Rain, 50% chance.
Tue
29° 18°
Partly Cloudy.
Wed
28° 16°
Mostly Cloudy.
Thu
28° 16°
Clear.
Fri
28° 19°
Drizzle, 51% chance.
Sat
28° 17°
Clear with a 31% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 23° Overcast 42% 5 mph SSE 95%
8 AM 24° Overcast 36% 6 mph SSE 91%
9 AM 26° Overcast 31% 6 mph S 88%
10 AM 26° Overcast 30% 6 mph S 86%
11 AM 27° Mostly Cloudy 19% 6 mph SSW 83%
12 PM 29° Mostly Cloudy 20% 6 mph SSW 80%
1 PM 30° Partly Cloudy 19% 6 mph SW 79%
2 PM 31° Partly Cloudy 19% 6 mph SW 78%
3 PM 32° Mostly Clear 8% 5 mph WSW 76%
4 PM 32° Mostly Clear 16% 4 mph WSW 75%
5 PM 33° Partly Cloudy 16% 4 mph SW 76%
6 PM 33° Partly Cloudy 17% 4 mph S 77%
7 PM 32° Partly Cloudy 22% 4 mph SSE 81%
8 PM 31° Mostly Cloudy 31% 4 mph SSE 86%
9 PM 28° Mostly Cloudy 32% 5 mph S 91%
10 PM 28° Mostly Cloudy 41% 5 mph S 93%
11 PM 27° Mostly Cloudy 44% 5 mph S 93%
12 AM 27° Mostly Cloudy 49% 5 mph S 93%
1 AM 26° Mostly Cloudy 50% 5 mph SSE 93%
2 AM 25° Mostly Cloudy 50% 7 mph SE 94%
3 AM 24° Mostly Cloudy 48% 9 mph ESE 94%
4 AM 24° Drizzle 39% 7 mph ESE 93%
5 AM 23° Rain 39% 5 mph SE 92%
6 AM 23° Rain 39% 5 mph S 90%
15-Day Forecast
Today
7/26
Mostly Cloudy
42%
21°
33°
Mon
7/27
Rain
50%
23°
34°
Tue
7/28
Partly Cloudy
17%
18°
29°
Wed
7/29
Mostly Cloudy
7%
16°
28°
Thu
7/30
Clear
16%
16°
28°
Fri
7/31
Drizzle
51%
19°
28°
Sat
8/1
Clear
31%
17°
28°
Sun
8/2
Drizzle
42%
17°
29°
Mon
8/3
Clear
19%
17°
30°
Tue
8/4
Drizzle
51%
19°
32°
Wed
8/5
Drizzle
68%
18°
31°
Thu
8/6
Drizzle
60%
18°
29°
Fri
8/7
Drizzle
60%
17°
29°
Sat
8/8
Drizzle
60%
18°
31°
Sun
8/9
Drizzle
60%
19°
32°
55
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
55 AQI 11.4 µg/m³
O3
Ground-level ozone
41 AQI 44 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 55 Moderate 41 55
Tue 54 Moderate 39 54
Wed 55 Moderate 40 55
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Sun Jul 26, 11:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE357 J/kg
MLCAPE1415 J/kg
MUCAPE2806 J/kg
SBCIN-383 J/kg
MLCIN0 J/kg
Lifted Index-0.8
Kinematics
0–6 km Shear35 kt
0–1 km Shear16 kt
Eff. Shear31 kt
0–1 km SRH-15
0–3 km SRH-72
Eff. SRH-120
Storm Motion282° @ 28 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index30.2
Thermo & Levels
PWAT1.78 in
0–3 km LR3.6 °C/km
700–500 LR6.4 °C/km
Total Totals49.2
LCL975 hPa
LFC632 hPa
EL303 hPa
Freezing Lvl15,663 ft